barb

1. N-COUNT A barb is a sharp curved point near the end of an arrow or a fish hook that makes it difficult to pull out. (箭头或鱼钩上的)倒钩

2. N-COUNT A barb is an unkind remark meant as a criticism of someone or something. 讽刺; 伤人的话或事

The barb stung her exactly the way he hoped it would. 他的讽刺如期伤到了她。